目的探讨开胸手术后罗哌卡因胸段硬膜外镇痛的最低有效浓度。
Objective to determine the minimum effective concentration of ropivacaine in thoracic epidural analgesia after surgical incision into the chest wall.
结果两组比较，美蓝肋间神经阻滞镇痛组的VAS评分明显优于胸段硬膜外镇痛组，且其术后并发症较少。
Results: By comparing the two methods, the VAS score of the intercostal nerve block using methylene blue was found to be better than the other one, and it has little postoperative complications.
结论15%酚甘油胸段硬膜外注射用于晚期癌痛的镇痛效果优于低浓度组，且不增加并发症。
Conclusion the analgesic effect of injecting phenol glycerin (15%) in the epidural space on the terminal cancer pain is better than that of low concentration with no increasing complications.
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